Human Desires: Shannon is modeling tycoon Alicia Royal whose swingin' Hollywood pajama party hits a snag when one of her girls turns up nekkid and mighty dead in the pool. The cops call it a suicide given the buckets of dope in Julia's system (Peggy Trentini) and the fact her pre-dip activities included slashing her wrists. But her fellow model and bisexual gal pal Zoe (Dawn An